The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 24, 2002
Filed:
Jun. 14, 1999
Applicant:
Inventor:
Joseph Wytman, San Jose, CA (US);
Assignee:
CuTek Research, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C 1/600 ;
U.S. Cl.
CPC ...
C23C 1/600 ;
Abstract
A two-piece chuck for supporting a substrate in which a base plate allows the wafer to tilt and also exposes the underside of the wafer during wash/rinse cycle as well as during load/unload operations.